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math.CO2020
Hyperplane arrangements in polymake
Lars Kastner, Marta Panizzut
Hyperplane arrangements form the latest addition to the zoo of combinatorial objects dealt with by polymake. We report on their implementation and on a algorithm to compute the ass…
math.CO2018
On local Dressians of matroids
Jorge Alberto Olarte, Marta Panizzut, Benjamin Schröter
We study the fan structure of Dressians $\Dr(d,n)$ and local Dressians $\Dr(\cM)$ for a given matroid $\cM$. In particular we show that the fan structure on $\Dr(\cM)$ given by the…